Communication device for intelligent building

The utility model discloses a communication device for an intelligent building. The earphone comprises a mounting auxiliary plate, a receiver and a pressing mechanism, a connection telephone line is connected between the installation auxiliary plate and the receiver. The pressing mechanism is mounted on the front surface of the mounting auxiliary plate and is used for limiting and pressing the receiver; the pressing mechanism comprises a sliding plate, a pressing plate and a sliding assembly. The two sliding plates are vertically installed on the front surface of the installation auxiliary plate and located on the two sides of the receiver, sliding grooves are formed in the sliding plates, the two pressing plates are symmetrically and horizontally located on the front surface of the receiver, the sliding assembly is vertically located in the sliding grooves, the free ends of the sliding assembly are connected with the pressing plates, and gaps for connecting telephone lines to penetrate through are reserved i